Spock is a testing and specification framework for Java and Groovy applications. Here we will use groovy RestClient along with Spock to test Restful Services. import groovyx.net.http.RESTClient import spock.lang.Specification import spock.lang.Shared class MyApiSpec extends Specification { @Shared RESTClient restClient def setupSpec() { restClient = new RESTClient('hostnamewithport') restClient.handler.failure = restClient.handler.success } def 'test get method'(){ given: restClient.headers.Accept = 'application/json' when: def resp = restClient .get(path: 'path(ex:/api/list/'), query:[param1:'param1value',param2:'param2value'] ) then: resp.status == 200 resp.data.somejsonobject == 'expectedjson' } def 'test post method'(){ given: restClient .headers.Accept = 'appli...